Teat valve



FIG. 1 is a perspective view of the teat valve showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view of FIG. 2;

FIG. 4 is a bottom plan view of FIG. 2; and

FIG. 5 is a sectional view taken along the line 5--5 of FIG. 2. 

The ornamental design for a teat valve, substantially as shown and described. 